Emerson 000-VA Manuel D’Utilisation

The UPS should arrive with the power distribution box attached. If the box needs to be removed for 

maintenance or replacement, follow these instructions to remove and install the power distribution 

pack.
To remove:
1. Ensure maintenance bypass lamp is on. To place the unit in maintenance bypass, see 8.4 - Put 

2. Loosen one captive screw over the maintenance bypass breaker.
3. Turn the maintenance bypass breaker on.

The load is unprotected from disturbances in the power supply while the UPS is on bypass.

4. Turn the output and input breaker off.
5. Loosen other captive screws until the power distribution box releases.
6. Remove the power distribution box from the UPS and set it aside.
7. Loosen screws over the plastic cover for the connector on the rear of the panel.
8. Slide plastic cover over connector and tighten screws.

To install:
1. Align connectors and press box onto UPS
2. Hold box firmly against UPS and tighten captive screws except one over the maintenance bypass 

breaker.

3. Turn the output and input breaker on.
4. Start the UPS according to startup instructions.
5. Verify that the UPS lamp is illuminated.
6. Turn the maintenance bypass breaker off.
7. Insert the maintenance bypass cover behind the captive screw and tighten the screw.

NOTE
Do not operate the UPS with this box removed. To disconnect all power to this box and load, the 

NOTE
The maintenance bypass breaker cover must be installed behind the captive screw and the